131386920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2203}}^1$

素因数の和:2295

約数の個数: 128

約数和(自身を含む): 457021440

約数和(自身を除く): 325634520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2203, 2485, 2840, 2982, 3976, 4260, 4406, 4970, 5964, 6609, 7455, 8520, 8812, 9940, 11015, 11928, 13218, 14910, 15421, 17624, 19880, 22030, 26436, 29820, 30842, 33045, 44060, 46263, 52872, 59640, 61684, 66090, 77105, 88120, 92526, 123368, 132180, 154210, 156413, 185052, 231315, 264360, 308420, 312826, 370104, 462630, 469239, 616840, 625652, 782065, 925260, 938478, 1094891, 1251304, 1564130, 1850520, 1876956, 2189782, 2346195, 3128260, 3284673, 3753912, 4379564, 4692390, 5474455, 6256520, 6569346, 8759128, 9384780, 10948910, 13138692, 16423365, 18769560, 21897820, 26277384, 32846730, 43795640, 65693460, 131386920]

約数ペア:

[(1, 131386920), (2, 65693460), (3, 43795640), (4, 32846730), (5, 26277384), (6, 21897820), (7, 18769560), (8, 16423365), (10, 13138692), (12, 10948910), (14, 9384780), (15, 8759128), (20, 6569346), (21, 6256520), (24, 5474455), (28, 4692390), (30, 4379564), (35, 3753912), (40, 3284673), (42, 3128260), (56, 2346195), (60, 2189782), (70, 1876956), (71, 1850520), (84, 1564130), (105, 1251304), (120, 1094891), (140, 938478), (142, 925260), (168, 782065), (210, 625652), (213, 616840), (280, 469239), (284, 462630), (355, 370104), (420, 312826), (426, 308420), (497, 264360), (568, 231315), (710, 185052), (840, 156413), (852, 154210), (994, 132180), (1065, 123368), (1420, 92526), (1491, 88120), (1704, 77105), (1988, 66090), (2130, 61684), (2203, 59640), (2485, 52872), (2840, 46263), (2982, 44060), (3976, 33045), (4260, 30842), (4406, 29820), (4970, 26436), (5964, 22030), (6609, 19880), (7455, 17624), (8520, 15421), (8812, 14910), (9940, 13218), (11015, 11928)]